| 1. | Grey prediction of mid - longterm city gas load forecasting 城市燃气中长期负荷的灰色预测 |
| 2. | Natural gas load forecasting based on least squares support vector machine 基于最小二乘支持向量机的天然气负荷预测 |
| 3. | Hydraulic fluid power - gas loaded accumulators - specification for seamless steel accumulator bodies above 0 . 5 l water capacity 液压流体动力.气体加载蓄能器.第1部分:水容量0 . 5l以上无缝钢蓄能器体规范 |
| 4. | Static and dynamic simulation for natural gas pipe network and natural gas load forecasting is an important work of natural gas management system 天然气管网系统稳动态仿真及其负荷预测是天然气管理系统中的一项重要工作。 |
| 5. | This thesis is concerned with two problems : static and dynamic simulation for natural gas pipeline network and short - time natural gas load forecasting 本文主要研究了天然气管网系统稳动态仿真和天然气短期负荷预测两个问题。 |
| 6. | Gas load forecasting include : long - term 、 middle - term 、 short - term 、 very short - term load forecasting . this dissertation emphasizes on short - term forecasting 燃气负荷预测包括长期负荷预测、中期负荷预测、短期负荷预测及超短期负荷预测。 |
| 7. | If the urban gas load can be forecasted accurately , the most essential designing parameters will be provided for the confirmation of the gas storage facilities for peak - load regulations and the most reasonable dispatch of urban gas 摘要准确地预测城市燃气用气负荷量,才能为调峰储气设施的确定及城市燃气优化调度提供最基本的设计参数。 |
| 8. | The basic concept , task and method of data mining technology are introduced , the present situation and application methods of city gas load forecasting are analyzed , and the application of this technology in city gas load forecasting is discussed 摘要介绍了数据挖掘技术的基本概念、任务和方法,分析了城市燃气负荷预测的现状和应用方法,探讨了数据挖掘技术在城市燃气负荷预测中的应用。 |
| 9. | The working principle of liquid helium cryocondensation pump is strong absorptive force between 4 . 2k cryogenic surface and gas molecules . the pump has great advantage in large instant pumping speed under high gas load , large working pressure range , high & neat ultimate vacuum 利用4 . 2k低温面对气体的物理吸附机制实现高气载下瞬时大抽速的液氦低温冷凝泵,具有工作压强范围宽、能获得清洁真空环境的特点。 |
| 10. | Abstract : the measuring method of the temperature field of the net belt furnace during static non - gas loading , gas loading and dynamic gas loading states is described . the running time measurement during both cold and hot states , non - loading and loading states are discussed and analyzed 文摘:介绍网带炉在静态不充气、充气及动态充气等状态下,温场的测量方法;并就冷态空载、负载运行时间及加热空载、负载运行时间的测量进行讨论和分析。 |